Scientists at the University of California, San Diego (USA) have created an inexpensive smartphone link device that allows you to measure its owner’s blood pressure. Portal reports New Atlas.
The gadget was called BPClip – it was made in the form of a clip that attaches to a smartphone. It can be printed on a 3D printer, and the manufacture of such a nozzle will cost only 80 cents.
The BPClip is positioned on the smartphone so that the hole in the device is above the camera lens and the light guide covers the flash. After that, the user needs to press the tip of their finger into the clip hole – the spring inside the device provides resistance and allows you to take pressure readings with different forces.
The camera takes a picture of the finger as a red dot image. As the pressure rises, its size increases and its brightness changes depending on the amount of blood entering the finger. As the size and brightness of the red dot are analyzed, the device determines the user’s systolic and diastolic blood pressure. The scientists say the BPClip tests allowed its development to show that it produces the same accurate measurements as a conventional blood pressure monitor.
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Source: Gazeta
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